Sale

USA Standard Gear

Ford 10.25" 4.88 Ratio Ring and Pinion Gear Set

$306.89 $262.89 Save $44.00

SKU: ZG F10.25-488L

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZG F10.25-488L is a ring and pinion gear set engineered for Ford 10.25-inch axles, featuring a 4.88 gear ratio. USA Standard Gear provides these sets to offer a reliable upgrade for various common and less common applications. This ensures confidence in your differential installation. The product is backed by a standard one-year warranty against manufacturer defects, assuring quality and support. USA Standard Gear is known for offering a comprehensive line of ring and pinion sets for diverse vehicle needs. Fitment is available for a wide range of Ford vehicles, including E-250 Econoline, E-350 Econoline, F-150, F-250, and F-350 models from various years, primarily from the mid-1980s through the late 1990s and early 2000s. Specific compatible models include 1998 Ford E-250 Econoline Base, 1985 Ford E-250 Econoline Base, 1998 Ford E-350 Econoline Base, 1985 Ford E-350 Econoline Base, 2004 Ford F-150 FX4, 1998 Ford F-250 Base, 1985 Ford F-250 Base, 1999 Ford F-250 Super Duty Lariat, 1997 Ford F-350 Base, 1985 Ford F-350 Base, and 1999 Ford F-350 Super Duty Lariat RWD. For a comprehensive list, users are encouraged to use the vehicle fitment search tool on the retailer's website.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUSA Standard Gear
Part NumberZG F10.25-488L
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy